From patchwork Sun May 16 21:18:46 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Kettenis X-Patchwork-Id: 12260643 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-23.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2AF08C433B4 for ; Sun, 16 May 2021 21:26:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 02DD6610FC for ; Sun, 16 May 2021 21:26:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230252AbhEPV1n (ORCPT ); Sun, 16 May 2021 17:27:43 -0400 Received: from lb1-smtp-cloud8.xs4all.net ([194.109.24.21]:57347 "EHLO lb1-smtp-cloud8.xs4all.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229600AbhEPV1m (ORCPT ); Sun, 16 May 2021 17:27:42 -0400 Received: from copland.sibelius.xs4all.nl ([83.163.83.176]) by smtp-cloud8.xs4all.net with ESMTP id iOA9lJWwKWkKbiOAJlkPrN; Sun, 16 May 2021 23:19:11 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=xs4all.nl; s=s2; t=1621199951; bh=q2RC92/hLaydTt0okUIaSkxR8QBeVY8t6TyQtHRgv44=; h=From:To:Subject:Date:Message-Id:MIME-Version:From:Subject; b=tQyV6JXw5L3Mr/9g2paWsUvCsIaUyENSlWfzYW5LXkpr+vmrUSc4Ol44CkSJCFrrx P2RRhH3MWgUhLQSTvTWVvVH1RvIJfmcnR3WaBgyLVPwBEu9xDZi/BfiJuFU29CLhA+ SruAHWzW75nX5ZDlT1cjYx7mf6NbP9vpSaEHeGTsV2rIAgTrvWpLDKQR4bzjS8j0ZA K0tOx6brcx60Phx74h8r1fnwAXdj3kSyUNpemFvncc8fv7eWyZQsC/R45LpjJWlZ33 wcEgU/tSgU0drmdq2wSXmXPaWNLrpkhLx1dVWSvimUm8xwBSGXEiUhU/1eMwqvpSC3 xr2HZ18AUuikQ== From: Mark Kettenis To: devicetree@vger.kernel.org Cc: maz@kernel.org, arnd@arndb.de, Mark Kettenis , Hector Martin , Bjorn Helgaas , Rob Herring , linux-arm-kernel@lists.infradead.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/2] dt-bindings: pci: Add DT bindings for apple,pcie Date: Sun, 16 May 2021 23:18:46 +0200 Message-Id: <20210516211851.74921-2-mark.kettenis@xs4all.nl> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210516211851.74921-1-mark.kettenis@xs4all.nl> References: <20210516211851.74921-1-mark.kettenis@xs4all.nl> MIME-Version: 1.0 X-CMAE-Envelope: MS4xfJvxWUUCHehoXYbOzuVATHDHqh8QmGvFtp9FrCC7AWfboWK8mWyaDIsNx1ZhbrOwX3mHxMHf56sutw1oXpqEkwSvMnAyLcPjfFiX08HXD3Kr+a6BiPpC /JRPskO7qrAPZuboIAGU+D677hmGtqgneVsQnpoNh2AoEDWMFCRRtchckZ1oa5dw5RjT1fLHSW1Q1fHxWpPxrbTsvvfe+RmKHPavMiDhqJHyv2QfqDiJuWQi Dxk4s9vxpfulkho4yAtwTGvvQrU93D4uAkvd7lPIcAH/8ou5vTYLrQOp/INzxEN7t5KEOAJNuuk50EIAqRHymi8pv2YLzQ9YYNjr3GQgldXSPnGWzNtaty8v dYxTw1IlFqDupUMltip/NhXXQgt7uxd+nGRQUo1UmgZrbPzooWrnLEPeiWeDEabzNYheAE5gwx+0laglXtVoLlYAOTOq6Iw640D8BaRusdf/nAdwPLRCMD9V CdwJpSb81hVFQJvNHFx+DHobgvAQdMQxz6YE3kvk+2B9+26UkotcIT1wnpg= Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org From: Mark Kettenis The Apple PCIe host controller is a PCIe host controller with multiple root ports present in Apple ARM SoC platforms, including various iPhone and iPad devices and the "Apple Silicon" Macs. Signed-off-by: Mark Kettenis --- .../devicetree/bindings/pci/apple,pcie.yaml | 150 ++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 151 insertions(+) create mode 100644 Documentation/devicetree/bindings/pci/apple,pcie.yaml diff --git a/Documentation/devicetree/bindings/pci/apple,pcie.yaml b/Documentation/devicetree/bindings/pci/apple,pcie.yaml new file mode 100644 index 000000000000..af3c9f64e380 --- /dev/null +++ b/Documentation/devicetree/bindings/pci/apple,pcie.yaml @@ -0,0 +1,150 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pci/apple,pcie.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Apple PCIe host controller + +maintainers: + - Mark Kettenis + +description: | + The Apple PCIe host controller is a PCIe host controller with + multiple root ports present in Apple ARM SoC platforms, including + various iPhone and iPad devices and the "Apple Silicon" Macs. + +allOf: + - $ref: /schemas/pci/pci-bus.yaml# + +properties: + compatible: + items: + - const: apple,t8103-pcie + - const: apple,pcie + + reg: + minItems: 4 + maxItems: 6 + + reg-names: + minItems: 4 + maxItems: 7 + items: + - const: ecam + - const: rc + - const: phy + - const: port0 + - const: port1 + - const: port2 + + ranges: + minItems: 2 + maxItems: 2 + + interrupts: + minItems: 3 + maxItems: 3 + + msi-ranges: + description: + A list of pairs , where "intid" is the first + interrupt number that can be used as an MSI, and "span" the size + of that range. + $ref: /schemas/types.yaml#/definitions/uint32-matrix + items: + minItems: 2 + maxItems: 2 + +required: + - compatible + - reg + - reg-names + - bus-range + - interrupts + - msi-controller + - msi-parent + - msi-ranges + +unevaluatedProperties: false + +examples: + - | + #include + #include + + soc { + #address-cells = <2>; + #size-cells = <2>; + + pcie0: pcie@690000000 { + compatible = "apple,t8103-pcie", "apple,pcie"; + device_type = "pci"; + + reg = <0x6 0x90000000 0x0 0x1000000>, + <0x6 0x80000000 0x0 0x4000>, + <0x6 0x8c000000 0x0 0x4000>, + <0x6 0x81000000 0x0 0x8000>, + <0x6 0x82000000 0x0 0x8000>, + <0x6 0x83000000 0x0 0x8000>; + reg-names = "ecam", "rc", "phy", "port0", "port1", "port2"; + + interrupt-parent = <&aic>; + interrupts = , + , + ; + + msi-controller; + msi-parent = <&pcie0>; + msi-ranges = <704 32>; + + iommu-map = <0x0 &dart0 0x8000 0x100>, + <0x100 &dart0 0x100 0x100>, + <0x200 &dart1 0x200 0x100>, + <0x300 &dart2 0x300 0x100>; + iommu-map-mask = <0xff00>; + + bus-range = <0 7>; + #address-cells = <3>; + #size-cells = <2>; + ranges = <0x43000000 0x6 0xa0000000 0x6 0xa0000000 0x0 0x20000000>, + <0x02000000 0x0 0xc0000000 0x6 0xc0000000 0x0 0x40000000>; + + clocks = <&pcie_core_clk>, <&pcie_aux_clk>, <&pcie_ref_clk>; + pinctrl-0 = <&pcie_pins>; + pinctrl-names = "default"; + + pci@0,0 { + device_type = "pci"; + reg = <0x0 0x0 0x0 0x0 0x0>; + reset-gpios = <&pinctrl_ap 152 0>; + max-link-speed = <2>; + + #address-cells = <3>; + #size-cells = <2>; + ranges; + }; + + pci@1,0 { + device_type = "pci"; + reg = <0x800 0x0 0x0 0x0 0x0>; + reset-gpios = <&pinctrl_ap 153 0>; + max-link-speed = <2>; + + #address-cells = <3>; + #size-cells = <2>; + ranges; + }; + + pci@2,0 { + device_type = "pci"; + reg = <0x1000 0x0 0x0 0x0 0x0>; + reset-gpios = <&pinctrl_ap 33 0>; + max-link-speed = <1>; + + #address-cells = <3>; + #size-cells = <2>; + ranges; + }; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 7327c9b778f1..789d79315485 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1654,6 +1654,7 @@ C: irc://chat.freenode.net/asahi-dev T: git https://github.com/AsahiLinux/linux.git F: Documentation/devicetree/bindings/arm/apple.yaml F: Documentation/devicetree/bindings/interrupt-controller/apple,aic.yaml +F: Documentation/devicetree/bindings/pci/apple,pcie.yaml F: Documentation/devicetree/bindings/pinctrl/apple,pinctrl.yaml F: arch/arm64/boot/dts/apple/ F: drivers/irqchip/irq-apple-aic.c